Mobile Development

DubJUG 265, our live in-person event, presents Professor Ž (aka Željko Kozina!) Hear why Netflix dumped REST in favour of GraphQL and explore how memory management improves performance, the different parts of Java memory and the various garbage collectors. OFFICIAL BOOKING >>>>> https://ti.to/dublin-java-user-group/265-zeljko-kozina ## **Talk 1:** Netflix dropped REST, but should you? Last year, Netflix announced that it was dropping REST completely in favour of GraphQL. It is undoubtedly one of the popular kids on the Development playground right now. GraphQL is a new way to build APIs, one that's easier, faster, better, and more flexible than the old RESTful API system, or at least that's the promise. In this session, a REST developers' Assessment of Spring GraphQL, Željko will cover the basics of Spring GraphQL, explore its strengths and weaknesses, and determine whether it is a better option for your company than a conventional REST API. ## **Talk 2:** Trash Talk - Optimising Java Garbage Collection Understanding how Java organises memory is important for every Java professional, but this particular topic is a common knowledge gap for many software professionals. With the help of Željko, this talk explores how memory management can help you improve performance effectively, helping you understand the different parts of Java memory and the various garbage collectors so you can select your preferred one.

**IMPORTANT UPDATE:** Due to a fire incident at Kyodai Izakaya, It's been **temporarily closed**. Let's meet at J.R Mahon's on 1-2, Burgh Quay, Dublin 2 (across the river from Izakaya Kyodai). We still need a venue for presentations. If anyone can help, please get in touch (e.g. via Discord). The minimum requirement is a room with a screen, or projector. We have a Discord server, which you're welcome to join: https://discord.gg/nCBrCXB6 Clojure Ireland is sponsored by [Taxamo - a Vertex Company](https://twitter.com/taxamo).

Ever found yourself wrestling with Power BI limitations or implementing complex workarounds for what should be simple user requests? Enter Streamlit – the open source Python package that's transforming how we deliver value from data. In this session, you'll discover how Streamlit enables you to build beautiful, interactive data applications in minutes, not months, all without front-end development expertise. We'll showcase real-world applications we've built for clients that let users manipulate model parameters and instantly visualise impacts, delivering a level of engagement traditional BI tools simply can't match. By the end of this talk, you'll have everything you need to create your first Streamlit app, along with practical guidance for taking your prototypes from desktop to Azure deployment. See first hand how this transformative technology is helping organisations move users from passive dashboard consumers to active participants in the data experience. **🎯 Target Audience** * Data analysts and BI developers frustrated with traditional tools * Python developers and data scientists building interactive apps * Consultants delivering data solutions to clients * Organisations seeking better data engagement and insights * IT professionals deploying apps (e.g. to Azure) **📍 Event Details** **Location:** The Gamer Club, Glasgow **Venue Info:** A purpose-built basement venue for tech meetups — includes console lounge, arcade, kitchen/bar, PCs, projector, and gigabit internet. 💡 BYOB welcome \| Free tea & coffee available **Directions:** [https://www.thegamerclub.co.uk/gettinghere](https://www.thegamerclub.co.uk/gettinghere) **Date:** 2026-02-04 **Time:** 18:30 **Timezone:** Europe/London **🎥 Streaming** We aim to stream this talk live here: 👉 [Watch on YouTube](https://www.youtube.com/@PythonScotland/streams) **📬 Contact** If you have questions, get in touch: 📧 organisers@python.scot **💬 Matrix Chat** Matrix is an open, secure chat platform for communities and collaboration. Join our Python Glasgow matrix room to chat with organisers and attendees: [https://matrix.to/#/#python:glasgow.social](https://matrix.to/#/#python:glasgow.social)

***[Save 50% getting a ticket in advance (only first 20 people)](https://www.eventbrite.ie/e/social-language-exchange-tickets-1985534555304?discount=EarlyBirdsMeetup&keep_tld=true)*** **✨ Dynamic Conversations** Enjoy small-group conversations (2–3 people per table) at dedicated language tables. There will always be **English-only tables**, and every attendee rotates through these tables during the **first and last rotation**. **🏷️ Language Stickers on Arrival** As soon as you arrive, you’ll receive: • **Native language stickers** (with flags + “native”) • **Practicing language stickers** (with flags + “practicing”) You may choose multiple practicing languages. These stickers help you join the right tables and connect with people who match your goals. **🔄 Rotations Every 30 Minutes** Every 30 minutes, the organizer rearranges groups based on preferred languages. We aim for **bilingual tables**, ideally with at least one native or advanced speaker. If no native speakers are available, we can still create a table as long as **two people want to practice the same language**. **🌍 Popular Languages** English, Spanish, French, German, Portuguese, Italian, and any other language requested by at least two attendees. **📈 All Levels Welcome** Beginner or advanced—everyone is welcome. The only requirement is enthusiasm and willingness to communicate. **🃏 Conversation Cards + Complimentary Fries** Need inspiration? Conversation cards are available at every table. Enjoy complimentary **fries around 8:00 PM**. **💸 Pay-as-you-go (Cash / Card)** • €6 General Admission • €5 Students • €4 per person when you bring friends **⭐ Loyalty Card (Automatically Activated)** Attend **4 Language Exchanges or International Meetups**, and your **5th event is FREE**. **💳 [Membership Options (Save € & unlock perks)](https://buymeacoffee.com/newindublin)** **🟡 Regular Membership (€12/mo)** ✔ Free: Singles, Language Exchange, International Meetup ✔ –50%: Quizzes, Big Singles, Theme Party, Cultural Mix, Social Games, Music Challenge ✔ Extra perks **🔵 Theme Membership (€15/mo)** ✔ Free: Quizzes, Big Singles, Theme Party, Cultural Mix, Social Games, Music Challenge ✔ –50%: Singles, Language Exchange, International Meetup ✔ Extra Perks **🟣 Complete Membership (€20/mo)** ✔ Free access to ALL events ✔ Extra Perks **📱 Stay Connected** 🔗 **[Linktree](https://linktr.ee/newindublin)**[ ](https://linktr.ee/newindublin)– full weekly calendar 💬 **[WhatsApp](https://chat.whatsapp.com/L8IcUuQzHVVLGaoUZ8ONRt)**[ ](https://chat.whatsapp.com/L8IcUuQzHVVLGaoUZ8ONRt)– reminders & updates 📘 **[Facebook](https://www.facebook.com/newindublinmeetup)**[ ](https://www.facebook.com/newindublinmeetup)– photos & highlights 📸 **[Instagram](https://www.instagram.com/newindublinmeetups/)**[ ](https://www.instagram.com/newindublinmeetups/)– stories & behind-the-scenes 🌐 **[Website](https://newindublin.net/)**[ ](https://newindublin.net/)– all information about our events **🎉 Join Us!** A fun, relaxed evening full of languages, new people, and confidence-building conversations. **RSVP now! 🚀**

### 🔓 UNLOCK THE POWER OF EFFECTIVE COMMUNICATION 🗣️ “I know what I should say, but it doesn't come out right.” “I want to fix my relationship, but I don't know where to start.” “When the time comes, I don't know what to say.” “I have so many ideas, but I'm too afraid to share them.” In every aspect of life—whether in relationships, family dynamics, business, or the workplace—**communication is the key** 🔑 Without it, progress is impossible. But with effective communication, the doors to success swing wide open. Learn the secrets of how to communicate to anyone, anywhere—whether you’re speaking to a small group, addressing a large audience, or having a one-on-one conversation. ## 🌟 THE POWER OF EFFECTIVE COMMUNICATION Poor communication is often overlooked as the root of problems in relationships, confidence, and work ability. In this workshop, we’ll cover the **formula of communication** and how to use it to improve every aspect of your life. ### ✅ Effective communication can handle: * Shyness and introversion * Business relationships and efficiency * Marriages and romantic relationships * Self-confidence and self-esteem * Everyday interactions This is not just a lecture where you sit quietly and listen - It’s **interactive and LIVE** so you can ask questions at any time and start practicing your newfound skills right away. ### 📅 **6 May 2026 – 7:00 PM** 📍 Church of Scientology & Community Centre of Dublin, Firhouse Road, Dublin D24 CX39

There's been a bit of demand for a meet-up on the south side of the city so we're going to trial a new location. You'll find us in the main bar. This is a casual meet up for people who want to play boardgames. Lots of people bring plenty of games and rules will always be explained so don't worry if you're new to the hobby and you don't have anything to bring along or think you won't know how to play. Late comers always welcome, you just might have to wait a little for a game to open up. **The meet ups are free of charge but we do ask that people support the bar by buying food and/or drink. The bar is very accommodating to us and it's important that we support them in return. Bringing in outside food or drink is completely unacceptable.** Check out the comments below where people will say what games they are bringing and express your interest in joining if interested

Most language exchanges are built around **movement**. —fast rotations, brief chats, surface-level conversation. New table. New person. Start again. It feels productive. It isn’t. Real conversations don’t happen in 10 minutes. They start there. Then they get interesting. At Flip Lingoes, **you stay.** Same table. Same group. Enough time for real conversation and real connection, beyond the surface level. Every 5 minutes, you switch roles: **fluent speaker ↔ learner**, not people. Before you arrive, **[create a profile here](https://www.fliplingoes.com/language-exchange-dublin/)**[,](https://www.fliplingoes.com/language-exchange-dublin/) tell us what language you're learning. This helps our **automated matching algorithm** put you in the right small group. No awkward searching. No guesswork. Simply scan the QR code on arrival and it automatically matches you with fluent speakers of your target language. We host events at Zanzibar Locke: calm, well-designed, easy to hear, easy to focus. *** **Event Flow** 6:45–7:15 → Seamless check-in (QR code, get matched, sit down) 7:15–8:30 → Language Exchange (structured, focused) 8:30 → Optional social + snacks included **Crispy chicken wings. Cheesy loaded nachos.** Straight from Zanzibar Locke’s kitchen. Perfect for chatting, relaxing, and refueling after a great language session. **Entry:** €8 (tasty snacks included) **Bundles:** 4 events €24 \| 10 events €50\, purchase [here](https://www.fliplingoes.com/language-exchange-dublin/?pricing_filter=in_person#bundles-section) in advance for express check in. Save time and money. **Be generous and invite a friend for free:** It's simple. Create a profile [here](https://www.fliplingoes.com/language-exchange-dublin/), log in, and click “**Invite Friend** to sign up.” It generates a link and you send that to them. Easy and your friend will thank you later ;) If they register for the event before you, you both get free entry.🙌 \*P.S We ask if you consider to buy a drink at the bar upon arrival and support their venue and excellent hospitality in the heart of Dublin. *** **Why Flip Lingoes works:** * Go deeper: longer conversations at the same table * Speak with the right people via automated matching * Smooth, calm, focused environment * Fun social finish If you’re tired of restarting conversations and want to **actually speak beyond the greeting and small talk**, this is your place. [Flip Lingoes](https://www.fliplingoes.com) is a new and innovative language exchange event, with a clear vision: **To upgrade language exchange events online and in cities around the world.** Currently in Dublin, Zurich and Online. **Can you guess our next city?** **Flip into our world:** **[On Instagram](https://www.instagram.com/fliplingoes/)** **[Sign up to FlipLingoes.Com](https://www.fliplingoes.com/language-exchange-dublin/)** ***

You are invited to come and enjoy this social event. it's open to all age groups. As usual you will be able to meet friends and soon to be friends in a great bar for drinks and social conversation. Dress to impress - The Baily is premium establishment with a smart and neat dress code. Any thing less means you may be turned away by the door staff. It should be quite easy to find me/the organiser. There may be a second location for those that are dressed well and want to drink, chat and dance for the remainder of the night :) Attendees will be expected to purchase at least 1 drink alcoholic or non-alcoholic. Otherwise the bar management will have there bar full of non paying customers which is not good for their business. ---- If you would like to organise events let the organiser know.

🔐 **Hack and Chill – Weekly Meetup** 🔐 📍 **Tog Hackerspace** \| 🕖 **Fridays, 7–9 PM** *(Except the first Friday of the month – we’re at 2600 Dublin then!)* Are you into cybersecurity, hardware hacking, or just love the hacker mindset? Bring your laptop, your curiosity, and your latest digital mischief to our chill Friday night sessions. No talks, no pressure — just hacking, learning, and chatting with like-minded folks in a relaxed space. 💻 BYO projects, hacks, and war stories ☕ Tea, tools, and toggers provided 💬 New faces always welcome Come hang out. We don’t bite — unless you’re a vulnerable service. https://www.tog.ie/2025/08/new-weekly-group-night-hack-and-chill/

💌 **Online Speed Dating for Dublin Singles — Real Connections, Long-Term Thinking** This is for singles who are done with apps that go nowhere. Done with casual. Ready for a genuine conversation with someone who might actually matter. Live on Zoom. Personality matched. Built for people who want something that lasts. **Choose your age group to register:** - Ages 18-32: [Register Here](https://tempodating.com/product?productId=470.0&productType=onlineSpeedDating&city=Dublin&groupurlname=discover-serious-partners-during-outdoor-trips&ar=18-32&face_v=1.0) - Ages 30-46: [Register Here](https://tempodating.com/product?productId=470.0&productType=onlineSpeedDating&city=Dublin&groupurlname=discover-serious-partners-during-outdoor-trips&ar=30-46&face_v=1.0) - Ages 40-58: [Register Here](https://tempodating.com/product?productId=470.0&productType=onlineSpeedDating&city=Dublin&groupurlname=discover-serious-partners-during-outdoor-trips&ar=40-58&face_v=1.0) - Ages 55+: [Register Here](https://tempodating.com/product?productId=470.0&productType=onlineSpeedDating&city=Dublin&groupurlname=discover-serious-partners-during-outdoor-trips&ar=55+&face_v=1.0) 🌿 RSVP here alone does not hold your place. Complete your registration through the link above and finish the short personality quiz. --- **How it works:** 1. Register via your age group link and complete the personality quiz. 2. Join Zoom at the event time — works on any device, no downloads needed. 3. Meet Dublin singles in short one-on-one rounds matched by age and personality. 4. Mutual matches are shared after — take it forward at your own pace. 🤍 Spots are kept small to keep things personal. If you are serious about finding the right person, this is where it starts.

*Please mark as Not Going if not attending so others can join the event: attendees capped at 10 at the moment. Thanks* *If you’re in the waitlist you’re still welcome to join!* Join us for a lovely walk around town to document life in Dublin. Coffee break (if wanted) and drinks after. We can exchange tips, review each other’s work and have the craic. All ages and skill levels welcome. Whether you shooting on digital, film or your phone… what matters is your curiosity and your love for street photography Feel free to bring prints of your work to share it with the group!! Join our WhatsApp group https://chat.whatsapp.com/ErJsFiSaRVz8sHEXeOduL5?mode=gi_t

Newly started IG: https://www.instagram.com/letsgetsocialdublin/ Every event is **5 euros** to the host, you can pay by using Revolut or Cash. This helps me maintains the group as this takes a lot of time and effort. Get ready to reach new heights and forge lasting connections doing Indoor Bouldering Adventure this Sunday **at 14:30!** Whether you're a seasoned climber or brand new to the sport, this event is the perfect opportunity to challenge yourself, have fun, and meet fellow enthusiasts in a supportive and social setting. Located at the Bloc Climbing Gym in Ballymount, indoor bouldering social event is suitable for climbers of all levels. No climbing experience? No problem! Our friendly group will provide guidance, tips, and encouragement every step of the way. Whether you're learning or honing your skills, you'll find plenty of support and encouragement from your fellow climbers. After our exhilarating climb, we'll gather for some well-deserved refreshments and socializing, where you can swap climbing stories, share tips, and make new friends with fellow adventure-seekers. So lace up your climbing shoes, chalk up your hands, and get ready for an afternoon of adrenaline-pumping fun and friendship at our Indoor Bouldering Adventure this Sunday! Let's climb, connect, and conquer together. See you there! 🧗‍♀️🤝🧗‍♂️

**Registration/booking on our system at least 24 hours before class is necessary. We do not take walk ins/your rsvp on meetup is not a booking.** BOOK [HERE](themovementstudio.ie/handstandsandcoffee) From beginner to winner! We have a special weekly 2 hour class that is more like a weekly workshop. It's a very social class, with amazing coffee, great coaching, and smiles and good work being done. Fancy trying something new? Spending time safely outside your comfort zone? Please visit themovementstudio.ie/handstandsandcoffee to book your spot Registration/booking is necessary. We do not take walk ins.

FREE event [https://www.ccad.edu/chroma](https://www.ccad.edu/chroma) Friday, May 15, 3–7 p.m. CCAD campus, 60 Cleveland Ave, Columbus, OH Join Columbus College of Art & Design for *2025* *Chroma: Best of CCAD*, our annual campuswide exhibition showcasing outstanding student work from across the college’s academic programs. This faculty-juried show features select work from CCAD students of all class years, and is a can’t-miss end-of-year campus celebration recognizing their tremendous achievements. It’ll be a night of fun and entertainment, with interactive games, animation and film screenings, art symposiums, poetry and prose readings, and more (along with some of the best local food trucks). *Chroma* is free and open to all. Many exhibitions including... **Game Art & Design:** **DSB, first floor, Welcome Center lobby and Room 115**

Come out to Improving for our monthly iOS and Mac meetings. This Month's Presentation: Nothing yet. (You should volunteer). What is Cocoaheads (http://cocoaheads.org/)? CocoaHeads is a group devoted to discussion of Apple Computer's Cocoa Framework for programming on MacOS X and iOS (including the iPhone, iPad and Apple Watch). During monthly meetings, members present on their projects and offer tutorials on various programming topics. What is BuckeyeCocoa (http://buckeyecocoa.org/)? BuckeyeCocoa is a group of Objective-C/Swift developers/enthusiasts. We host monthly Cocoaheads and near-weekly NSCoder meetings in Columbus, Ohio. The meetings are free to attend. Presentations! Presenters welcome! We are always in need of people willing to present material. Any Swift and/or Objective-C related topic is welcome. Times can be 5 minutes (i.e. lightning talks) to a maximum of 2 hours. Interested? Contact info is on the BuckeyeCocoa website. To volunteer for a presentation contact us at @BuckeyeCocoa on Twitter. Follow us on Twitter! @BuckeyeCocoa (https://twitter.com/#!/Buckeyecocoa/) For more information: http://buckeyecocoa.org/

PLEASE NOTE!!! This event will be In-Person for our very 1st Improving collab! If you know the [Columbus Unity group](https://www.meetup.com/columbus-unity-user-group/) location, we'll be at the same place. This is our 1st event and are doing a soft launch with limited attendance. 1st come 1st serve. If you want to be there and we fill up, please email me at [info@thecogg.com](mailto:info@thecogg.com) and I'll be in touch. All street parking is free on Sundays but you can also pay to park in any of the local garages. See image of [parking map here](https://drive.google.com/file/d/1Mr9_LFIggbs-0_Zd3AJTGNqEhgMf2TzQ/view?usp=sharing). \-\-\- On the last Sunday of the month, we're having our usual end-of-the-month social gathering with our GameDev Meetup meeting. There will be announcements and presentations followed by some social networking Let's continue the conversations with good vibes and friends. All are welcomed from all ages and backgrounds to this public event. If we can, we'll be streaming or uploading the video later via our COGG YouTube channel here: [https://www.youtube.com/@TheCOGG/streams](https://www.youtube.com/@TheCOGG/streams) (Also please do subscribe if you have not done so!) No game development experience required! If you are interested in doing a 20 minute game development related presentation, please fill out our form online here: [https://goo.gl/forms/lVdTJZiNJewlPJuj1](https://goo.gl/forms/lVdTJZiNJewlPJuj1) Or e-mail us at info@thecogg.com with the following: Your Name, Company/Affiliation, Name of Your Game/Topic, Description, Tech Needs, and Your Contact. Be sure to check out our Discord for real time news updates: [https://discord.gg/NrBhuNQ](https://discord.gg/NrBhuNQ)

**PLEASE READ THE FOLLOWING IMPORTANT NOTES:** 1. The dates for this series are simply placeholders at the moment. We are working on our 2026 schedule, and adjustments are forthcoming. 2. Each class in this series has an attendance fee. 3. Each class, from BOTH a sign-up and fee perspective, is a separate entity. 4. As the Etch toolset evolves, so too will the class outline below. **Introduction:** Our Site Building with Etch class provides detailed instructions on the philosophy of the Etch development framework, as well as in-depth, hands-on instruction on using the Etch environment and associated tools. Anyone familiar with Kevin Geary and the Digital Gravy set of products will tell you that they offer ground-breaking approaches to professional WordPress site development. As we write this, the Etch toolset and environment are rapidly taking shape, with weekly quantum leaps forward in WordPress development methodologies. As early investors in the Etch product offering and its development process, we are actively testing and evaluating the toolset as it takes shape. We are beyond excited to see how WordPress site development is being modernized, and can't wait to bring this course set to you. It will be a paradigm shift in page and site development within WordPress, as well as moving your development mindset light-years forward. Join us as we explore Etch and dive deep into development approaches that will genuinely elevate your craft as a website developer and agency provider. Scalable, responsive, compliant websites are now within easy reach, and Etch provides both the platform and toolset to take you there. **The breakdown of the 10-class series is as follows:** * Class 01 - TBD * Class 02 - TBD * Class 03 - TBD * Class 04 - TBD * Class 05 - TBD * Class 06 - TBD * Class 07 - TBD * Class 08 - TBD * Class 09 - TBD * Class 10 - TBD Throughout the class sessions listed above, we cover the following key areas of web development with Etch: * **Introduction to Etch Interface:** * Familiarization with the toolset's layout and understanding how to navigate and interact with its various components. * **Visual Site Building:** * Techniques for creating layouts using Etch's interface, incorporating sections, divs, containers, and elements to build semantically correct page structures. * **Styling and Design:** * Utilizing Etch's styling approach to customize elements, apply global CSS classes for consistent design, and leverage features like Flexbox and CSS Grid for responsive layouts. * **Dynamic Content and Custom Fields:** * Integrating dynamic content from custom post types and custom field plugins (like ACF, Meta Box, and even built-in fields) to build data-driven websites. * **Component Building:** * Creating and managing reusable components for headers, footers, post type layouts, and other site-wide elements. * **Performance Optimization:** * Understanding how Etch contributes to fast-loading websites and implementing performance best practices. * **Advanced Features:** * Depending on the class level, it might delve into advanced topics such as conditional logic, interactions, and custom code integration to enable more complex functionality. The series aims to equip participants with the skills to efficiently build, customize, and maintain WordPress websites using Etch, catering to both beginners and experienced web developers alike.

Our monthly PHP meetup. A virtual shindig courtesy of Zoom. Check back here for the details around 6:15 pm

Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you! **What to Expect at the Intro Circle** \~\~\~\~\~\~\~\~\~\~\~\~\~ Near the beginning of the event (1:30 pm), we do a standup: * Organizer announcements, updates, and logistics Round 1 - (7 secs max): * Your name * What you're working on * What you can help others with Round 2: * Community events you wanna plug. If none, that's cool too. Round 3: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!

**Building a great product is one thing—building momentum behind it is another.** Join **Senior Product Manager Adam Solaiman** and **User Experience Manager Tyson Smith** for a behind-the-scenes look at what it takes to turn complex ideas into scalable products inside large organizations. In this session, they’ll share how teams move from ambiguity to execution—navigating organizational complexity, aligning stakeholders, and continuously evolving products after launch. You’ll walk away with insights on how to: * Build and sustain momentum across teams * Adapt to changing priorities without losing direction * Scale products thoughtfully in complex environments Whether you're driving a new initiative or growing an existing product, this conversation will give you practical strategies to keep things moving forward. Come connect, learn, and swap stories with fellow product professionals. \-\-\- Food and drinks will be provided by Switchbox, our generous host. Free parking will be available at the front and back sides of the Switchbox Office.